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INA253-Q1: INA253A3-Q1

Part Number: INA253-Q1
Other Parts Discussed in Thread: INA240

Tool/software:

I plan to use INA253A3-Q1 for current sensing based on the orginal current requirement of RMS 3A, but recently we got a requirement change, the RMS current will be max. 0.8A, and higer accuracy is required.

after a rough calculation, the ADC voltage will be only 0.8A*0.4(V/A)=0.32V.  I am concerning the feedback voltage is too low, could you pls give a hint on this?